/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.io.gcp.spanner;



import com.google.cloud.spanner.Mutation;

import com.bff.gaia.unified.vendor.guava.com.google.common.collect.Iterables;



final class MutationUtils {

  private MutationUtils() {}



  /**

   * Check if the mutation is a delete by a single primary key operation.

   *

   * @param m mutation

   * @return true if mutation is a point delete

   */

  public static boolean isPointDelete(Mutation m) {

    return m.getOperation() == Mutation.Op.DELETE

        && Iterables.isEmpty(m.getKeySet().getRanges())

        && Iterables.size(m.getKeySet().getKeys()) == 1;

  }

}